Exactly, thank you for pointing this out.

Yes, we do not need to do anything for code objects in code space.
Right, the limit would be n x 256MB.
Since large pages are being added one by one in linked list for LO space they
are scattered over virtual address space,
the code region should be reserved up front to handle position of 256MB
boundary. Otherwise, every large page allocation has to be aligned to 256MB
which will
have huge pressure on OS memory system.



https://codereview.chromium.org/1147503002/

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